/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.transforms.xjoin.core.threadFactory;



import java.util.concurrent.ThreadFactory;

import java.util.concurrent.atomic.AtomicInteger;



/**

 * Project Name: gaia-parent Description: Data: 2019/7/19 17:42

 *

 * @author tiger

 * @version v1.0

 */

public class DTThreadFactory implements ThreadFactory {



  private static final AtomicInteger POOL_NUMBER = new AtomicInteger(1);

  private static final AtomicInteger THREAD_NUMBER = new AtomicInteger(1);

  private final ThreadGroup group;

  private final String namePrefix;



  public DTThreadFactory(String factoryName) {

    SecurityManager s = System.getSecurityManager();

    group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();

    namePrefix = factoryName + "-pool-" + POOL_NUMBER.getAndIncrement() + "-thread-";

  }



  @Override

  public Thread newThread(Runnable r) {

    Thread t = new Thread(group, r, namePrefix + THREAD_NUMBER.getAndIncrement(), 0);

    if (t.isDaemon()) {

      t.setDaemon(false);

    }

    if (t.getPriority() != Thread.NORM_PRIORITY) {

      t.setPriority(Thread.NORM_PRIORITY);

    }

    return t;

  }

}